#include <stdio.h>
#include <malloc.h>
#include <stdlib.h>

int text(int* b){
	//free(b);
	int *c=(int*)malloc(sizeof(int));
	*c=20;
	b=c;
}

int main(void){
	int *a;
	*a=5;
	printf("%d\n",*a);
	text(a);
	printf("%d\n",*a);
}
